Happy Haynes of Denver uses glasses as she joins others residents as they gather at the Denver Museum of Nature and Science to observe the partial solar eclipse as it passes over City Park in east Denver on Monday, Aug. 21, 2017. While only a partial eclipse in Denver--92 percent--other parts of the intermountain West experienced a total eclipse. The last time a total eclipse crossed the entire continental United States was June 8, 1918. (AP Photo/David Zalubowski)
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